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Java Full Stack Developer

Collabera


Job Location:

Chicago, IL - USA

Monthly Salary: Not provided by the employer
Posted: 8 September 2026 (5 hours ago)
Application Deadline: 6 December 2026
Vacancies: 1 Vacancy

Job Summary

Position: Java Full Stack Developer
Location: Chicago IL
Duration- 6 Month

Must-have skills for this role: java full stack developer spring boot CI /CD

Job description:
Develop RESTful APIs using Spring Boot and integrate them with the NPCI request processing system.
Implement microservices architecture with Spring Boot to ensure scalability and maintainability.
Utilize Spring MVC Spring Data JPA Hibernate and DAO patterns for efficient data handling.
Work with relational databases like Oracle and write optimized HQL and SQL queries.
Design and implement transformation logic for AVS to NPCI request conversion using Java and Spring Boot.
Handle data mapping and validation between AVS and NPCI formats.
Ensure compliance with NPCI specifications for financial transactions.
Deploy and maintain microservices on AWS using EC2 S3 and Auto Scaling.
Implement CI/CD pipelines with Jenkins and Docker for automated deployments.
Work with AWS CloudFormation for infrastructure as code setup.
Write unit and integration tests using JUnit and Mockito for backend services.
Debug and resolve production issues ensuring high availability and reliability.
Collaborate with business analysts architects and other development teams to align technical solutions with business goals

About Collabera
  • Collabera is a leading digital talent staffing company providing solutions to many of the worlds top businesses We have more than 25 years of experience supporting Fortune 500 companies across the U.S and Canada Every year we place more than 10000 professionals on average supporting critical business and IT projects Collabera is also ranked as one of best places to work in 2022 by With Collabera you have opportunity to:
  • Work on challenging and exciting projects using in-demand skills in industries like financial services and banking insurance telecom technology healthcare life sciences and more.
  • Extend a project or re-deploy to another assignment similar to 80% of employees/contractors who continue with Collabera after the initial project term.
  • Grow your skills through training workshops networking events and so much more.

Required Experience:

IC